This element represents a set of cells, computed as the union of the sets represented by each of its children.
This element represents a set of cells, computed as the intersection of the sets represented by each of its children.
Of the two possible children, in the corpus
where is far more
common, appearing thousands of times, whereas
only appears 4 times.
intersect elements have two or more children.
This element represents the set of cells in which the value of a specified variable falls within a specified set.
id of a variable, e.g.
A value, or multiple values separated by semicolons,
The meaning of this element is unknown.
The meaning of these attributes is unknown. In the four examples in
the corpus they always take the values